body {
    background-color: #f4f5f5;
}
p {
    margin-left: 5px;
}
ul {
    padding: 0;
    margin: 0;
    cursor: pointer;
}
section {
    background-color: #fff;
    width: 390px;
    padding: 5px 0;
}
li {
    background-color: #ccc;
    display: block;
    float: left;
    height: 50px;
    margin: 0 0 5px 5px;
    text-decoration: none;
    width: 50px;
}
li span {
    display: block;
    background-color: #4f4f4f;
    width: 40px;
    height: 40px;
    margin: 5px;
    border-radius: 20px;
    box-shadow: inset 0 3px 4px rgba(0,0,0,.5),
    inset 0 0 10px rgba(0,0,0,.5),
    0 0 2px 2px rgba(0,0,0,.15),
    0 -1px 2px 1px rgba(0,0,0,.25),
    0 2px 3px 2px rgba(255,255,255,.5),
    0 -2px 10px 1px rgba(255,255,255,.75),
    0 2px 10px 3px rgba(0,0,0,.25);
}
li.mole span {
    background-color: #009933;
    box-shadow: inset 0 0 0 2px rgba(79,79,79,1),
    inset 2px 2px 4px 2px rgba(255,255,255,0.3),
    inset 0 -2px 2px 2px rgba(0,0,0,.25),
    0 0 2px 2px rgba(0,0,0,.15),
    0 -1px 2px 1px rgba(0,0,0,.25),
    0 2px 3px 2px rgba(255,255,255,.5),
    0 -2px 10px 1px rgba(255,255,255,.75),
    0 2px 10px 3px rgba(0,0,0,.25);
}